Emperor Wu of the Tang Dynasty

A modern boy accidentally returns to the heyday of Zhenguan in the Tang Dynasty and becomes Li Shimin's fifth son, Li You. I originally wanted to live a leisurely life and be an idle prince, but by mistake, I learned martial arts, carried a gun, and went to war on the battlefield. He made great achievements for the Tang Dynasty and opened up a vast territory. Participated in the fight for the legitimate sons and created another prosperous era in the Tang Dynasty.